DESCRIPTION
This circuit detects the state of the ignition switch, and sends it to the headlight leveling ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (BATTERY - HEADLIGHT LEVELING ECU ASSEMBLY) |
(a) Disconnect the A40 headlight leveling ECU assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A40-1 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
A40-1 (IG) - Body ground |
Ignition switch off |
Below 1 V |
*1 |
Front view of wire harness connector (to Headlight Leveling ECU assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT LEVELING ECU ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Headlight Relay Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls the headlight
relays.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection proc ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 INSTRUMENT PANEL PIN
(a) Install the 2 No. 1 instrument panel pins with the 2 screws <E> or
<F>.
2. INSTALL GLOVE BOX LIGHT ASSEMBLY
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FRONT SUSPENSION MEMBER BODY MOUNTING REAR CUSHION LH
(a) Temporarily install a new front suspension member body mounting rear
cushion LH while confirming the installation direction.
NOTICE:
Position th ...